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How to add frequently bought together widgets on Shopify product pages

Frequently bought together (FBT) shows optional add-on products on a trigger product page. See how Kitforge Bundles handles FBT product page widgets with inventory-safe checkout, theme widgets, and analytics.

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Quick answer

Frequently bought together (FBT) shows optional add-on products on a trigger product page. Shoppers select accessories, then add everything to cart in one action — with discounts that apply when items are added through the widget.

  • Kitforge ships fixed kits, FBT widgets, and quantity breaks — each with theme app extension placement and Shopify Functions.
  • Use the readiness checklist and live preview before activating on the storefront.
  • Inventory-safe checkout and analytics are part of the workflow, not optional add-ons.
  • Match the bundle type to the customer job: curated set, accessory upsell, or volume pricing.

What FBT product page widgets means in Kitforge

FBT uses Shopify Discount Functions and line-item properties for attribution. Kitforge analytics track views, interactions, and attributed revenue per offer.

  • fixed kit bundles — combine known products into one priced offer
  • frequently bought together (FBT) — product-page add-on recommendations
  • quantity breaks — tiered volume discounts when shoppers buy more units

Setup workflow

Kitforge uses a type-first editor with a readiness checklist before publish. Each bundle type has its own steps, but the operating loop is consistent.

  • Choose trigger products where the widget should appear.
  • Add add-on products with per-item variant, default selection, and required/optional rules.
  • Set discount target: add-ons only (common) or all selected items.
  • Pick a display style: checkbox list, product cards, or compact rows.

Why merchants choose Kitforge for this

These are the differentiators that show up in real merchant workflows — not generic app marketing bullets.

  • inventory-safe bundles with max sellable quantity based on component stock
  • theme app extension widgets with auto-embed on product pages
  • live storefront preview in admin using the same widget renderer
  • built-in analytics for views, interactions, add-to-cart, and attributed revenue
  • Shopify Functions for cart transform, discounts, and checkout validation
  • expanded child SKUs at fulfillment for 3PL and packing workflows
  • scheduling — draft, active, paused, and scheduled publish windows

Final recommendation

Kitforge Bundles implements FBT product page widgets with product-page widgets, inventory validation, and analytics. Build one real offer, preview it on mobile, and measure attach rate before scaling.

If you want this kind of offer to feel native to the buying journey, Kitforge Bundles is built around that exact problem: turning related Shopify products into clearer bundle offers before the shopper reaches checkout.

FAQ

Does Kitforge Bundles support FBT product page widgets?

Kitforge Bundles supports fixed kit bundles — combine known products into one priced offer, frequently bought together (FBT) — product-page add-on recommendations, quantity breaks — tiered volume discounts when shoppers buy more units. It is built for merchants who want product-page bundle widgets, inventory-safe checkout, live previews, and analytics — not just hidden discount rules.

Do I need to edit theme code?

No for most merchants. Enable the app embed and use the admin editor. Manual theme blocks are optional when you want precise section placement.